package com.shang.aspect;


import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;


@Aspect
@Component
public class ServiceLogAspect {

    public static final Logger log = LoggerFactory.getLogger(ServiceLogAspect.class);

    /**
     * AOP
     *  前置通知
     *  后置通知
     *  环绕通知
     *  异常通知
     *  最终通知
     */


    /**
     * 切面表达式
     * @param joinPoint
     * @return
     * @throws Throwable
     */
    @Around("execution(* com.shang.service.impl..*.*(..))")
    public Object recordTimeLog(ProceedingJoinPoint joinPoint) throws Throwable {
        log.info("==========开始执行 {}.{}===========",joinPoint.getTarget().getClass(),joinPoint.getSignature().getName());

        long begin = System.currentTimeMillis();

        Object result = joinPoint.proceed();

        long end = System.currentTimeMillis();

        long takeTime = end - begin;

        if (takeTime > 3000){
            log.error("======执行结束，耗时: {} 毫秒=======",takeTime);
        }else if (takeTime > 2000){
            log.warn("======执行结束，耗时: {} 毫秒=======",takeTime);
        }else {
            log.info("======执行结束，耗时: {} 毫秒=======",takeTime);
        }

        return result;
    }

}
